<template>
  <div class="execution">
    <basic-container>
      <avue-crud ref="crud" :page.sync="page" :data="tableData" :permission="permissionList" :table-loading="tableLoading" :option="tableOption" :upload-after="uploadAfter" @on-load="getList" @search-change="searchChange" @refresh-change="refreshChange" @size-change="sizeChange" @current-change="currentChange" @row-del="rowDel">
        <template slot="menu" slot-scope="scope">
          <el-button type="text" size="small" icon="el-icon-download" @click="download(scope.row, scope.index)">下载</el-button>
        </template>
        <template slot="menuLeft">
          <el-button class="filter-item" v-if="permissions.sys_file_del" plain type="primary" size="small" icon="el-icon-remove" @click="handleDelFiles">批量删除</el-button>
        </template>
      </avue-crud>
    </basic-container>
  </div>
</template>

<script>
import { delObj, delObjs, fetchList } from "@/api/admin/sys-file";
import { tableOption } from "@/const/crud/admin/sys-file";
import { mapGetters } from "vuex";

export default {
  name: "sys-file",
  data() {
    return {
      searchForm: {},
      tableData: [],
      page: {
        total: 0, // 总页数
        currentPage: 1, // 当前页数
        pageSize: 20 // 每页显示多少条
      },
      tableLoading: false,
      tableOption: tableOption
    };
  },
  computed: {
    ...mapGetters(["permissions"]),
    permissionList() {
      return {
        addBtn: this.vaildData(this.permissions.sys_file_add, true),
        delBtn: this.vaildData(this.permissions.sys_file_del, true),
        editBtn: this.vaildData(this.permissions.sys_file_edit, false)
      };
    }
  },
  methods: {
    getList(page, params) {
      this.tableLoading = true;
      fetchList(
        Object.assign(
          {
            descs: "create_time",
            current: page.currentPage,
            size: page.pageSize
          },
          params,
          this.searchForm
        )
      )
        .then(response => {
          this.tableData = response.data.data.records;
          this.page.total = response.data.data.total;
          this.tableLoading = false;
        })
        .catch(() => {
          this.tableLoading = false;
        });
    },
    rowDel: function(row, index) {
      let _this = this;
      this.$confirm("是否确认删除ID为" + row.id, "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      })
        .then(function() {
          return delObj(row.id);
        })
        .then(data => {
          _this.$message.success("删除成功");
          this.getList(this.page);
        });
    },
    handleDelFiles() {
      if (this.$refs.crud.tableSelect.length === 0) {
        this.$message.error('请选择文件后进行删除')
        return false
      }
      let fileIds = []
      for (const row of this.$refs.crud.tableSelect) {
        fileIds.push(row.id)
      }
      delObjs(fileIds).then(() => {
        this.$notify.success('删除成功')
        this.$refs.crud.toggleSelection();
        this.refreshChange();
      })
    },
    searchChange(form, done) {
      this.searchForm = form;
      this.page.currentPage = 1;
      this.getList(this.page, form);
      done();
    },
    refreshChange() {
      this.getList(this.page);
    },
    sizeChange(pageSize) {
      this.page.pageSize = pageSize;
    },
    currentChange(current) {
      this.page.currentPage = current;
    },
    download: function(row, index) {
      this.downBlobFile(
        "/admin/sys-file/" + row.bucketName + "/" + row.fileName,
        this.searchForm,
        row.fileName
      );
    },
    uploadAfter(res, done, loading) {
      if (!this.validatenull(res.fileName)) {
        this.$message.success("上传成功");
        this.getList(this.page);
      }
      done();
    }
  }
};
</script>
